Question: What business in the United States has the most registered users or contributors ?
Paraphrase: Which US business has the most registered customers?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q4830453 . ?ent wdt:P1833 ?obj . ?ent wdt:P17 wd:Q30 } ORDER BY DESC(?obj)LIMIT 5 
Answer: Netflix, Netflix, Netlify